Gwanghaegun or Prince Gwanghae (Korean: 광해군; Hanja: 光海君; 4 June 1575 – 7 August 1641), personal name Yi Hon (이혼; 李琿), was the 15th monarch of the Joseon dynasty of Korea. As he was deposed in a competent as , he did not receive a temple name.

Gwanghaegun was the second son of King Seonjo, born to Lady Kim Gong-Bin, a concubine. When Japan invaded Korea to attack the Ming Empire, he was installed as Crown Prince. When the king fled north to the border of Ming, he set up a branch court and fough